Biochem Unit 1

Glucose is a _____.

• carbohydrate
• lipid
• protein 
• nucleic acid

Proteins are composed of what smaller building blocks?

• amino acids
• nucleic acids
• fatty acids
• nucleotides

In a covalent bond, atoms

• share electrons

• transfer electrons

• attract water molecules to each other

• do not bond

Tags

NGSS.HS-PS1-1

Which phrase best describes an exothermic chemical reaction?

• releases more energy than it absorbs
• forms products with higher bond energy than reactants
• does not absorb any energy
• is in a state of equilibrium

Tags

NGSS.HS-PS1-4

What is the term for the amount of energy that needs to be added for a chemical reaction to start?

• bond energy
• chemical energy
• activation energy
• reactant energy

DNA and RNA are two types of

• proteins
• lipids
• carbohydrates
• nucleic acids

Which of these nutrients build up muscles and organs?

• carbohydrates

• lipids

• proteins

• minerals

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Which of these nutrients provide most of your energy for the day?

• carbohydrates

• lipids

• proteins

• minerals

The element _______is found in all of the organic compounds.

• Iron
• Nitrogen
• Carbon
• Oxygen

Tags

NGSS.HS-LS1-6

This is the process by which a green plant turns water and carbon dioxide into food when the plant is exposed to light

• ATP

• glucose

• photosynthesis

• cellular respiration

• none of these

Tags

NGSS.HS-LS1-5

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